- All sections
- B - Performing operations; transporting
- B41J - Typewriters; selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; correction of typographical errors
- B41J 29/42 - Scales and indicators, e.g. for determining side margins
Patent holdings for IPC class B41J 29/42
Total number of patents in this class: 229
10-year publication summary
|
20
|
19
|
18
|
21
|
14
|
22
|
17
|
19
|
17
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Document Solutions Inc. | 5295 |
50 |
| Canon Kabushiki Kaisha | 6884 |
36 |
| FUJIFILM Corporation | 27102 |
22 |
| Ricoh Company, Ltd. | 13266 |
17 |
| Brother Kogyo Kabushikikaisha | 1709 |
17 |
| Sharp Kabushiki Kaisha | 18957 |
10 |
| Hewlett-Packard Development Company, L.P. | 28538 |
9 |
| Sato Holdings Kabushiki Kaisha | 659 |
9 |
| Seiko Epson Corporation | 18724 |
8 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
8 |
| Kyocera Corporation | 12735 |
5 |
| Brother Industries, Ltd. | 13000 |
4 |
| Toshiba Corporation | 12017 |
2 |
| Sharp Corporation | 10015 |
2 |
| Toshiba TEC Corporation | 3877 |
2 |
| Oki Electric Industry Co., Ltd. | 1652 |
2 |
| Ishida Co., Ltd. | 509 |
2 |
| Kabushiki Kaisha Sato Chishiki Zaisan Kenkyusyo | 94 |
2 |
| Komori Corporation | 164 |
2 |
| Ricoh China Co., Ltd. | 3 |
2 |
| Other owners | 18 |